mirror of
https://github.com/hajimehoshi/ebiten.git
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82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
// Copyright 2022 The Ebitengine Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ui
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import (
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"io/fs"
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"unicode"
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)
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type MouseButton int
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const (
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MouseButton0 MouseButton = iota // The 'left' button
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MouseButton1 // The 'right' button
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MouseButton2 // The 'middle' button
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MouseButton3 // The additional button (usually browser-back)
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MouseButton4 // The additional button (usually browser-forward)
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MouseButtonMax = MouseButton4
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)
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type TouchID int
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type Touch struct {
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ID TouchID
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X int
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Y int
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}
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type InputState struct {
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KeyPressed [KeyMax + 1]bool
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MouseButtonPressed [MouseButtonMax + 1]bool
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CursorX int
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CursorY int
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WheelX float64
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WheelY float64
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Touches []Touch
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Runes []rune
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WindowBeingClosed bool
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DroppedFiles fs.FS
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}
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func (i *InputState) copyAndReset(dst *InputState) {
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dst.KeyPressed = i.KeyPressed
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dst.MouseButtonPressed = i.MouseButtonPressed
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dst.CursorX = i.CursorX
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dst.CursorY = i.CursorY
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dst.WheelX = i.WheelX
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dst.WheelY = i.WheelY
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dst.Touches = append(dst.Touches[:0], i.Touches...)
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dst.Runes = append(dst.Runes[:0], i.Runes...)
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dst.WindowBeingClosed = i.WindowBeingClosed
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dst.DroppedFiles = i.DroppedFiles
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// Reset the members that are updated by deltas, rather than absolute values.
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i.WheelX = 0
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i.WheelY = 0
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i.Runes = i.Runes[:0]
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// Reset the members that are never reset until they are explicitly done.
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i.WindowBeingClosed = false
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i.DroppedFiles = nil
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}
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func (i *InputState) appendRune(r rune) {
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if !unicode.IsPrint(r) {
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return
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}
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i.Runes = append(i.Runes, r)
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}
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